Calls for stricter gun control laws after high-profile shootings in Orlando, San Bernardino, Virginia Tech and Newtown are all-too familiar, so a cynical person might say nothing will get done. But stars and politicians like Lady Gaga and Hillary Clinton aren't giving up, and are insisting that lawmakers and elected officials fight for a safer nation.

Guitar legend Carlos Santana was among the legion of people pleading for reform. "Why allow weapons of mass destruction to be sold to civilians?" he asked in a statement (via Billboard). "The laws need to be changed to prevent this from ever happening again."